Network Enumerations (3)

Having seen the 2 previous offerings which front load the enumeration in
such a way that on a large or awkward network they can take a long time to
return, I took a look at the browse for folder code which was rather
cumbersome but with some tinkering reduced it to the following:

help me please

Iam in need of you help in visual basic. I just want to know the concept or code involved in getting the information of all systems running in the network without running any client program on any network system.

Also i want to know the concept in managing the ports ie(i want a code that can close or open the HTTP / ftp etc ports in the windows system....

Question for you....

Cuold you tell me please, how to do create a map drive???
I was trying create with WNetAddConnection2, but I receive a 53 number and is not a specific error, I tried check the error name with WNetGetLastError function, but only gave me a NULL string... I tried too with Register, I can create the map, but when I try see the info appear a error message
I don't know what to do... I will appreciate any help from you.

Top White Papers and Webcasts

Live Event Date: April 21, 2015 @ 1:00 p.m. ET / 10:00 a.m. PT
For mid-sized companies, the challenge of serving people and providing better service is forcing a re-evaluation of their contact centers to improve customer experiences. While these growing enterprises are driving much of the market's innovation, they must remain nimble in how they operate, and be very responsive to customer needs. This upcoming eSeminar reveals five ways mid-size organizations can gain needed agility and examines how delivering …

The 2014 State of DevOps Report — based on a survey of 9,200+ people in IT operations, software development and technology management roles in 110 countries — reveals:
Companies with high-performing IT organizations are twice as likely to exceed their profitability, market share and productivity goals.
IT performance improves with DevOps maturity, and strongly correlates with well-known DevOps practices.
Job satisfaction is the No. 1 predictor of performance against organizational …